(a) The district may assess fees under Section 36.122(e) or 36.205(c), Water Code, in an annual amount not to exceed:(1) $1 per acre-foot of water used for agricultural use;(2) 17 cents per thousand gallons of water used for any other purpose; or(3) notwithstanding any limitations on the amount of an export fee or surcharge authorized under Section 36.122(e), Water Code, 150 percent of the maximum commercial water rate charged by the City of Wichita Falls for groundwater exported from the district.(b) Section 36.205(e), Water Code, does not apply to the district.(c) The district may use funds obtained from an export fee imposed under Subsection (a)(3) only to enhance:(1) aquifer monitoring, modeling, and data collection; and(2) research to advance the scientific understanding of the district's groundwater resources. Added by Acts 2013, 83rd Leg., R.S., Ch. 112 (S.B. 1026), Sec. 1.05, eff. April 1, 2015.Amended by: Acts 2017, 85th Leg., R.S., Ch. 609 (H.B. 3185), Sec. 1, eff. September 1, 2017.